No barlow lens
Tycho and Clavius
No barlow lens
Copernicus - Eratosthenes
No barlow lens
Taruntius (upper center), Messier(lower center with ray to the left), Theophillus(extr.lower left)
No barlow lens
Agrippa, Godin, Triesnecker(center)
No barlow lens
No barlow lens
No barlow lens
